summaryrefslogtreecommitdiffstats
path: root/drivers/acpi/acpica/acglobal.h
blob: 899d68afc3c5e0bde9be08338ec14399e52c7d32 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
/******************************************************************************
 *
 * Name: acglobal.h - Declarations for global variables
 *
 *****************************************************************************/

/*
 * Copyright (C) 2000 - 2010, Intel Corp.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    substantially similar to the "NO WARRANTY" disclaimer below
 *    ("Disclaimer") and any redistribution must be conditioned upon
 *    including a substantially similar Disclaimer requirement for further
 *    binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 */

#ifndef __ACGLOBAL_H__
#define __ACGLOBAL_H__

/*
 * Ensure that the globals are actually defined and initialized only once.
 *
 * The use of these macros allows a single list of globals (here) in order
 * to simplify maintenance of the code.
 */
#ifdef DEFINE_ACPI_GLOBALS
#define ACPI_EXTERN
#define ACPI_INIT_GLOBAL(a,b) a=b
#else
#define ACPI_EXTERN extern
#define ACPI_INIT_GLOBAL(a,b) a
#endif

#ifdef DEFINE_ACPI_GLOBALS

/* Public globals, available from outside ACPICA subsystem */

/*****************************************************************************
 *
 * Runtime configuration (static defaults that can be overriden at runtime)
 *
 ****************************************************************************/

/*
 * Enable "slack" in the AML interpreter?  Default is FALSE, and the
 * interpreter strictly follows the ACPI specification.  Setting to TRUE
 * allows the interpreter to ignore certain errors and/or bad AML constructs.
 *
 * Currently, these features are enabled by this flag:
 *
 * 1) Allow "implicit return" of last value in a control method
 * 2) Allow access beyond the end of an operation region
 * 3) Allow access to uninitialized locals/args (auto-init to integer 0)
 * 4) Allow ANY object type to be a source operand for the Store() operator
 * 5) Allow unresolved references (invalid target name) in package objects
 * 6) Enable warning messages for behavior that is not ACPI spec compliant
 */
u8 ACPI_INIT_GLOBAL(acpi_gbl_enable_interpreter_slack, FALSE);

/*
 * Automatically serialize ALL control methods? Default is FALSE, meaning
 * to use the Serialized/not_serialized method flags on a per method basis.
 * Only change this if the ASL code is poorly written and cannot handle
 * reentrancy even though methods are marked "NotSerialized".
 */
u8 ACPI_INIT_GLOBAL(acpi_gbl_all_methods_serialized, FALSE);

/*
 * Create the predefined _OSI method in the namespace? Default is TRUE
 * because ACPI CA is fully compatible with other ACPI implementations.
 * Changing this will revert ACPI CA (and machine ASL) to pre-OSI behavior.
 */
u8 ACPI_INIT_GLOBAL(acpi_gbl_create_osi_method, TRUE);

/*
 * Disable wakeup GPEs during runtime? Default is TRUE because WAKE and
 * RUNTIME GPEs should never be shared, and WAKE GPEs should typically only
 * be enabled just before going to sleep.
 */
u8 ACPI_INIT_GLOBAL(acpi_gbl_leave_wake_gpes_disabled, TRUE);

/*
 * Optionally use default values for the ACPI register widths. Set this to
 * TRUE to use the defaults, if an FADT contains incorrect widths/lengths.
 */
u8 ACPI_INIT_GLOBAL(acpi_gbl_use_default_register_widths, TRUE);

/*
 * Optionally enable output from the AML Debug Object.
 */
u8 ACPI_INIT_GLOBAL(acpi_gbl_enable_aml_debug_object, FALSE);

/*
 * Optionally copy the entire DSDT to local memory (instead of simply
 * mapping it.) There are some BIOSs that corrupt or replace the original
 * DSDT, creating the need for this option. Default is FALSE, do not copy
 * the DSDT.
 */
u8 ACPI_INIT_GLOBAL(acpi_gbl_copy_dsdt_locally, FALSE);

/*
 * Optionally truncate I/O addresses to 16 bits. Provides compatibility
 * with other ACPI implementations. NOTE: During ACPICA initialization,
 * this value is set to TRUE if any Windows OSI strings have been
 * requested by the BIOS.
 */
u8 ACPI_INIT_GLOBAL(acpi_gbl_truncate_io_addresses, FALSE);

/* acpi_gbl_FADT is a local copy of the FADT, converted to a common format. */

struct acpi_table_fadt acpi_gbl_FADT;
u32 acpi_current_gpe_count;
u32 acpi_gbl_trace_flags;
acpi_name acpi_gbl_trace_method_name;

#endif

/*****************************************************************************
 *
 * Debug support
 *
 ****************************************************************************/

/* Procedure nesting level for debug output */

extern u32 acpi_gbl_nesting_level;

/* Support for dynamic control method tracing mechanism */

ACPI_EXTERN u32 acpi_gbl_original_dbg_level;
ACPI_EXTERN u32 acpi_gbl_original_dbg_layer;
ACPI_EXTERN u32 acpi_gbl_trace_dbg_level;
ACPI_EXTERN u32 acpi_gbl_trace_dbg_layer;

/*****************************************************************************
 *
 * ACPI Table globals
 *
 ****************************************************************************/

/*
 * acpi_gbl_root_table_list is the master list of ACPI tables that were
 * found in the RSDT/XSDT.
 */
ACPI_EXTERN struct acpi_table_list acpi_gbl_root_table_list;
ACPI_EXTERN struct acpi_table_facs *acpi_gbl_FACS;

/* These addresses are calculated from the FADT Event Block addresses */

ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1a_status;
ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1a_enable;

ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1b_status;
ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1b_enable;

/* DSDT information. Used to check for DSDT corruption */

ACPI_EXTERN struct acpi_table_header *acpi_gbl_DSDT;
ACPI_EXTERN struct acpi_table_header acpi_gbl_original_dsdt_header;

/*
 * Handle both ACPI 1.0 and ACPI 2.0 Integer widths. The integer width is
 * determined by the revision of the DSDT: If the DSDT revision is less than
 * 2, use only the lower 32 bits of the internal 64-bit Integer.
 */
ACPI_EXTERN u8 acpi_gbl_integer_bit_width;
ACPI_EXTERN u8 acpi_gbl_integer_byte_width;
ACPI_EXTERN u8 acpi_gbl_integer_nybble_width;

/* Reader/Writer lock is used for namespace walk and dynamic table unload */

ACPI_EXTERN struct acpi_rw_lock acpi_gbl_namespace_rw_lock;

/*****************************************************************************
 *
 * Mutual exlusion within ACPICA subsystem
 *
 ****************************************************************************/

/*
 * Predefined mutex objects. This array contains the
 * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
 * (The table maps local handles to the real OS handles)
 */
ACPI_EXTERN struct acpi_mutex_info acpi_gbl_mutex_info[ACPI_NUM_MUTEX];

/*
 * Global lock mutex is an actual AML mutex object
 * Global lock semaphore works in conjunction with the HW global lock
 */
ACPI_EXTERN union acpi_operand_object *acpi_gbl_global_lock_mutex;
ACPI_EXTERN acpi_semaphore acpi_gbl_global_lock_semaphore;
ACPI_EXTERN u16 acpi_gbl_global_lock_handle;
ACPI_EXTERN u8 acpi_gbl_global_lock_acquired;
ACPI_EXTERN u8 acpi_gbl_global_lock_present;

/*
 * Spinlocks are used for interfaces that can be possibly called at
 * interrupt level
 */
ACPI_EXTERN spinlock_t _acpi_gbl_gpe_lock;	/* For GPE data structs and registers */
ACPI_EXTERN spinlock_t _acpi_gbl_hardware_lock;	/* For ACPI H/W except GPE registers */
#define acpi_gbl_gpe_lock	&_acpi_gbl_gpe_lock
#define acpi_gbl_hardware_lock	&_acpi_gbl_hardware_lock

/*****************************************************************************
 *
 * Miscellaneous globals
 *
 ****************************************************************************/

#ifdef ACPI_DBG_TRACK_ALLOCATIONS

/* Lists for tracking memory allocations */

ACPI_EXTERN struct acpi_memory_list *acpi_gbl_global_list;
ACPI_EXTERN struct acpi_memory_list *acpi_gbl_ns_node_list;
ACPI_EXTERN u8 acpi_gbl_display_final_mem_stats;
#endif

/* Object caches */

ACPI_EXTERN acpi_cache_t *acpi_gbl_namespace_cache;
ACPI_EXTERN acpi_cache_t *acpi_gbl_state_cache;
ACPI_EXTERN acpi_cache_t *acpi_gbl_ps_node_cache;
ACPI_EXTERN acpi_cache_t *acpi_gbl_ps_node_ext_cache;
ACPI_EXTERN acpi_cache_t *acpi_gbl_operand_cache;

/* Global handlers */

ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_device_notify;
ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_system_notify;
ACPI_EXTERN acpi_exception_handler acpi_gbl_exception_handler;
ACPI_EXTERN acpi_init_handler acpi_gbl_init_handler;
ACPI_EXTERN acpi_tbl_handler acpi_gbl_table_handler;
ACPI_EXTERN void *acpi_gbl_table_handler_context;
ACPI_EXTERN struct acpi_walk_state *acpi_gbl_breakpoint_walk;

/* Owner ID support */

ACPI_EXTERN u32 acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS];
ACPI_EXTERN u8 acpi_gbl_last_owner_id_index;
ACPI_EXTERN u8 acpi_gbl_next_owner_id_offset;

/* Misc */

ACPI_EXTERN u32 acpi_gbl_original_mode;
ACPI_EXTERN u32 acpi_gbl_rsdp_original_location;
ACPI_EXTERN u32 acpi_gbl_ns_lookup_count;
ACPI_EXTERN u32 acpi_gbl_ps_find_count;
ACPI_EXTERN u16 acpi_gbl_pm1_enable_register_save;
ACPI_EXTERN u8 acpi_gbl_debugger_configuration;
ACPI_EXTERN u8 acpi_gbl_step_to_next_call;
ACPI_EXTERN u8 acpi_gbl_acpi_hardware_present;
ACPI_EXTERN u8 acpi_gbl_events_initialized;
ACPI_EXTERN u8 acpi_gbl_system_awake_and_running;
ACPI_EXTERN u8 acpi_gbl_osi_data;

#ifndef DEFINE_ACPI_GLOBALS

/* Other miscellaneous */

extern u8 acpi_gbl_shutdown;
extern u32 acpi_gbl_startup_flags;
extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT];
extern const char *acpi_gbl_lowest_dstate_names[ACPI_NUM_sx_w_METHODS];
extern const char *acpi_gbl_highest_dstate_names[ACPI_NUM_sx_d_METHODS];
extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES];
extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS];

#endif

/* Exception codes */

extern char const *acpi_gbl_exception_names_env[];
extern char const *acpi_gbl_exception_names_pgm[];
extern char const *acpi_gbl_exception_names_tbl[];
extern char const *acpi_gbl_exception_names_aml[];
extern char const *acpi_gbl_exception_names_ctrl[];

/*****************************************************************************
 *
 * Namespace globals
 *
 ****************************************************************************/

#if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
#define NUM_PREDEFINED_NAMES            10
#else
#define NUM_PREDEFINED_NAMES            9
#endif

ACPI_EXTERN struct acpi_namespace_node acpi_gbl_root_node_struct;
ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_root_node;
ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_fadt_gpe_device;
ACPI_EXTERN union acpi_operand_object *acpi_gbl_module_code_list;

extern const u8 acpi_gbl_ns_properties[ACPI_NUM_NS_TYPES];
extern const struct acpi_predefined_names
    acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES];

#ifdef ACPI_DEBUG_OUTPUT
ACPI_EXTERN u32 acpi_gbl_current_node_count;
ACPI_EXTERN u32 acpi_gbl_current_node_size;
ACPI_EXTERN u32 acpi_gbl_max_concurrent_node_count;
ACPI_EXTERN acpi_size *acpi_gbl_entry_stack_pointer;
ACPI_EXTERN acpi_size *acpi_gbl_lowest_stack_pointer;
ACPI_EXTERN u32 acpi_gbl_deepest_nesting;
#endif

/*****************************************************************************
 *
 * Interpreter globals
 *
 ****************************************************************************/

ACPI_EXTERN struct acpi_thread_state *acpi_gbl_current_walk_list;

/* Control method single step flag */

ACPI_EXTERN u8 acpi_gbl_cm_single_step;

/*****************************************************************************
 *
 * Hardware globals
 *
 ****************************************************************************/

extern struct acpi_bit_register_info
    acpi_gbl_bit_register_info[ACPI_NUM_BITREG];
ACPI_EXTERN u8 acpi_gbl_sleep_type_a;
ACPI_EXTERN u8 acpi_gbl_sleep_type_b;

/*****************************************************************************
 *
 * Event and GPE globals
 *
 ****************************************************************************/

extern struct acpi_fixed_event_info
    acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS];
ACPI_EXTERN struct acpi_fixed_event_handler
    acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS];
ACPI_EXTERN struct acpi_gpe_xrupt_info *acpi_gbl_gpe_xrupt_list_head;
ACPI_EXTERN struct acpi_gpe_block_info
*acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS];

/*****************************************************************************
 *
 * Debugger globals
 *
 ****************************************************************************/

ACPI_EXTERN u8 acpi_gbl_db_output_flags;

#ifdef ACPI_DISASSEMBLER

ACPI_EXTERN u8 acpi_gbl_db_opt_disasm;
ACPI_EXTERN u8 acpi_gbl_db_opt_verbose;
#endif

#ifdef ACPI_DEBUGGER

extern u8 acpi_gbl_method_executing;
extern u8 acpi_gbl_abort_method;
extern u8 acpi_gbl_db_terminate_threads;

ACPI_EXTERN u8 acpi_gbl_db_opt_tables;
ACPI_EXTERN u8 acpi_gbl_db_opt_stats;
ACPI_EXTERN u8 acpi_gbl_db_opt_ini_methods;

ACPI_EXTERN char *acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS];
ACPI_EXTERN char acpi_gbl_db_line_buf[80];
ACPI_EXTERN char acpi_gbl_db_parsed_buf[80];
ACPI_EXTERN char acpi_gbl_db_scope_buf[40];
ACPI_EXTERN char acpi_gbl_db_debug_filename[40];
ACPI_EXTERN u8 acpi_gbl_db_output_to_file;
ACPI_EXTERN char *acpi_gbl_db_buffer;
ACPI_EXTERN char *acpi_gbl_db_filename;
ACPI_EXTERN u32 acpi_gbl_db_debug_level;
ACPI_EXTERN u32 acpi_gbl_db_console_debug_level;
ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_db_scope_node;

/*
 * Statistic globals
 */
ACPI_EXTERN u16 acpi_gbl_obj_type_count[ACPI_TYPE_NS_NODE_MAX + 1];
ACPI_EXTERN u16 acpi_gbl_node_type_count[ACPI_TYPE_NS_NODE_MAX + 1];
ACPI_EXTERN u16 acpi_gbl_obj_type_count_misc;
ACPI_EXTERN u16 acpi_gbl_node_type_count_misc;
ACPI_EXTERN u32 acpi_gbl_num_nodes;
ACPI_EXTERN u32 acpi_gbl_num_objects;

ACPI_EXTERN u32 acpi_gbl_size_of_parse_tree;
ACPI_EXTERN u32 acpi_gbl_size_of_method_trees;
ACPI_EXTERN u32 acpi_gbl_size_of_node_entries;
ACPI_EXTERN u32 acpi_gbl_size_of_acpi_objects;

#endif				/* ACPI_DEBUGGER */

#endif				/* __ACGLOBAL_H__ */